2,3,5,5-Tetraphenyl-2,5-dihydrofuran is a complex organic compound characterized by its unique molecular structure. It features a furan ring, which is a five-membered aromatic ring containing four carbon atoms and one oxygen atom. The molecule is adorned with four phenyl groups (C6H5-), which are benzene rings, attached to the carbon atoms at positions 2, 3, 5, and 5 of the furan ring. 2,3,5,5-tetraphenyl-2,5-dihydrorfuran is significant in organic chemistry due to its potential applications in the synthesis of various pharmaceuticals and materials. Its structure provides a rigid framework that can influence the properties of molecules in which it is a part, making it a valuable building block in the design of new compounds with specific functionalities.
The CAS Registry Mumber 1104-91-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,0 and 4 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 1104-91: (6*1)+(5*1)+(4*0)+(3*4)+(2*9)+(1*1)=42 42 % 10 = 2 So 1104-91-2 is a valid CAS Registry Number.